Like a female black widow spider consuming her mate, the latter part of the formula makes a meal of the former, leading to the collapse of any system based upon that formula. (religion.blogs.cnn.com)
For brown widow spiders, sex is literally a matter of life and death. (sciencemag.org)
It might seem like false widow spiders make a dash for your home as soon as the weather gets chilly, but they can actually be seen inside year - round. (nhm.ac.uk)